ICD-10-CM Chapter 6: Diseases of the Nervous System (G00–G99) – Questions and Answers for Medical Coding
Welcome to Medico Pediaa – Diseases of the Nervous System represent one of the most clinically detailed and coding-intensive sections of ICD-10-CM. Covered under Chapter 6 (G00–G99), this chapter includes conditions affecting the brain, spinal cord, cranial nerves, and peripheral nerves, such as epilepsy, Parkinson’s disease, Alzheimer’s disease, multiple sclerosis, migraines, neuropathies, and nervous system infections.ICD-10-CM Chapter 6 Questions and Answers
For medical coding students, CPC exam aspirants, and healthcare professionals in the USA and India, accurate coding of nervous system disorders is critical for proper claim submission, reimbursement, and compliance. This chapter requires close attention to laterality, acuity, underlying causes, and associated conditions, making practice essential.
This article provides ICD-10-CM Chapter 6 (G00–G99) questions and answers, specially designed to help learners strengthen their conceptual understanding, exam readiness, and real-world medical coding accuracy. Whether you are preparing for the AAPC CPC exam, working in medical billing and coding, or studying ICD-10-CM fundamentals, these practice questions will help you confidently code nervous system diseases. ICD-10-CM Chapter 6 Questions and Answers
Let’s Start
Q1. A patient with multiple sclerosis present with replase and worsening symptoms What ICD-10 CM should be used ?
(A) G36.0
(B) G37.0
(C) G35
(D) G37.9
Q2. Which ICD-10 CM code correspondence To gullain- Barre’ syndrome ?
(A) G70.01
(B) G61.0
(C) G35
(D) G25.9
Q3. Which code is used for Bell’s palsy ?
(A) G51.0
(B) G52.9
(C) G61.9
(D) G71.3
Q4. A patient is evaluated for migraine with Aura not intractable, without status migraine which ICD 10 CM code applies ?
(A) G43.109
(B) G43.1
(C) G43.101
(D) G43.009
Q5. A patient presents with trigeminal neurologia unknown cause what is the most appropriate ICD-10 code ?
(A) G50.1
(B) G50.0
(C) G50.8
(D) G50.9
Q6. A patient is diagnosed with epilepsy characterized by focal seizures without status epilepticus which ICD 10 CM code most appropriate?
(A) G40.909
(B) G40.109
(C) G40.001
(D) G40.119
Q7. What is the ICD 10 CM code for Parkinson’s disease?
(A) G20.A1
(B) G20.A2
(C) G20.C
(D) G20
Q8. A 45 yrs old patient presents with sudden weakness on one side of the body . A CT scan confirms a nontraumatic intracerebral hemorrhage what is the correct ICD 10 CM code?
(A) I63.9
(B) I61.9
(C) G81.91
(D) I60.9
Q9. A patient is diagnosed with myasthenia gravis without acute exacerbation?
(A) G70.00
(B) G70.01
(C) G70.2
(D) G71.0
Q10. A 55 year old patient has been diagnosed with restless leg syndrome what is the correct ICD 10 code?
(A) G25.81
(B) G47.61
(C) G90.3
(D) G25.9
ICD-10-CM Chapter 6 Questions and Answers
Q11. A patient presents with carpal tunnel syndrome in the right wrist what is the ICD 10 CM code?
(A) G56.01
(B) G56.02
(C) G56.21
(D) M79.601
Q12. A patient is diagnosed with idiopathic epilepsy with intractable generalized seizures what is the ICD 10 code?
(A) G40.309
(B) G40.409
(C) G40.319
(D) G40.119
Q13. A patient is diagnosed with complex regional pain syndrome type 1 of the left upper limb what is the correct ICD 10 code?
(A) G90.511
(B) G90.512
(C) G90.521
(D) G90.522
Q14. 40 years old patient is diagnosed with Huntington’s disease. What is the correct ICD 10 CM code ?
(A) G10
(B)!G11.4
(C) G12.1
(D) G31.82
Q15. Which ICD 10 CM code is used to indicate a personal history of other disease of the nervous system?
(A) G98.8
(B) G99.0
(C) Z86.69
(D) R29.818
Q16. A patient present with a cluster headache, unspecified correct ICD 10 CM code?
(A) G44.009
(B) G44.201
(C) G44.229
(D) G44.019
Q17. A patient presents with right sided hemiplegia following a previous stroke. The stroke occurred six months ago. What is the correct code?
(A) I69.351
(B) I69.359
(C) G81.91
(D) I63.9
Q18. A patient presents with sciatica affecting the left side what is the correct ICD 10 code ?
(A) G57.01
(B) G57.02
(C) M54.32
(D) M54.42
Q19. A patient had a stroke 3 yrs ago and now has residual left sided hemiparesis correct code ?
(A) I69.354
(B) G81.94
(C) I63.9
(D) I69.959
Q20. A patient diagnosed with acute right hemispheric infarction due to embolism what is the correct code?
(A) I63.40
(B) I63.441
(C) I63.50
(D) I69.351
Answer
1 – C, 2– B , 3- A, 4-A, 5 – B, 6-B, 7- D, 8-B, 9-A, 10 -B,
11-A, 12-C , 13 – B , 14 – A , 15 – C, 16 – A, 17 – A , 18 – C, 19 – A, 20 – B,
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ICD-10-CM Chapter 6 Questions and Answers for Medical Coding
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